Climatological Report (Monthly)
Issued by NWS Pittsburgh, PA

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862
CXUS51 KPBZ 011529
CLMPIT

CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1129 AM EDT SUN JUN 01 2025

...................................

...THE PITTSBURGH PA CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             95   05/03/1887
                       05/29/1881
                       05/25/1875
 LOW              26   05/07/1970
                       05/02/1963
HIGHEST           83   05/01         86      -3       87  05/03
                                                          05/21
LOWEST            39   05/10         35       4       43  05/11
AVG. MAXIMUM    70.0               71.9    -1.9     76.3
AVG. MINIMUM    51.7               50.6     1.1     56.7
MEAN            60.9               61.2    -0.3     66.5
DAYS MAX >= 90     0                0.3    -0.3        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.5    -0.5        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.56   1989
 MINIMUM        0.42   1911
TOTALS          4.10               3.83    0.27     5.62
DAILY AVG.      0.13               0.12    0.01     0.18
DAYS >= .01       16               13.5     2.5       12
DAYS >= .10       10                8.3     1.7        9
DAYS >= .50        4                2.6     1.4        2
DAYS >= 1.00       0                0.6    -0.6        1
GREATEST
 24 HR. TOTAL   0.75   05/21 TO 05/22               1.55

SNOWFALL (INCHES)
RECORDS
 TOTAL           3.1   1966
 24 HR TOTAL     3.1   MM
TOTALS             T                0.0     0.0       MM
SINCE 7/1         MM               44.1      MM       MM
SNOWDEPTH AVG.     0                                  MM
DAYS >= TRACE      1                0.0     1.0       MM
DAYS >= 1.0        0                0.0     0.0       MM
GREATEST
 24 HR TOTAL       T   05/05 TO 05/05                 MM

DEGREE DAYS
HEATING TOTAL    152                172     -20       63
 SINCE 7/1      4894               5541    -647       MM
COOLING TOTAL     32                 56     -24      117
 SINCE 1/1        69                 66       3       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
HIGHEST WIND SPEED/DIRECTION    30/280    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    48/230    DATE  05/16

SKY COVER
AVERAGE SKY COVER           0.75

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$